Slip some money to a pretty good second, then relax a little more and enjoy yourself!
But other than that the sticky is a nice place to start. As far as gear is concerned, I'd push for something that's familiar and comfortable rather than just grabbing the most whiz-bang thing for weddings. I think other recommendations will vary with your style and experience.
Is the wedding inside or out doors. Smaller church or large room. Will the people in charge of the place allow you to be within 20 feet of the couple or force you to stay outside the door. Ministers and church have very different rules to follow.
A lot of my shoots have using a Canon 5DII have the 24-70/f2.8 on it 90% of the time. All depends on the room, rules and overall conditions.